AremuB. G., LawalK. M., AhmedA. L., IdogbeE. A., and OlayinkaL. A. “VERY LOW FREQUENCY ELECTROMAGNETIC SURVEY FOR SUBSURFACE CHARACTERIZATION WITHIN PART OF PHASE II, AHMADU BELLO UNIVERSITY, ZARIA, KADUNA STATE”. FUDMA JOURNAL OF SCIENCES, Vol. 3, no. 4, Apr. 2023, pp. 366 -71, https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1659.